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Old 07-29-11, 06:03 PM   #1
worldtraveller
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wobbly crankset on road bike

i have an Argon road bike. The Crankset is slightly wobbly.

The crankset is built right into the bottom bracket as it is one piece.
To remove the whole thing you take off the other crank leg and pull the whole thing out

right now the problem is . The bottom bracket and crank set is in the bike fully.
Its all the way in as it is suppose to be.

but the crankset side is slightly wobbly.
It won't come off or anything, but more less annoying.

there is nothing to tighten it with, as no more screws

how do i tighten this crank set?

thanks
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Old 07-29-11, 06:11 PM   #2
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need more info ,and some photos would help too . with that then we can help you .
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Old 07-29-11, 09:29 PM   #3
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I'm assuming it's not a Shimano crankset as if it were the adjustment would be easy. The cause of the wobbling could be any number of things but the two times I've come across the problem it's been due to improper assembly. A shim was left off making the spacing between the cups too narrow resulting in wobble. Look up your particular crankset on the manufacturer's website and verify that all of the proper parts are in place. If not, track down those parts and correct the problem. In both of my cases, FSA provided the missing parts for free.
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Old 07-30-11, 12:43 AM   #4
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It is not a Shimano Crankset. But rest of bike is Shimano 105.
Like the crankset and bottom bracket is like a one piece. This is more of a higher end road bike too.
I like to ask if anyone out there also owns Argon road bikes. I will re edit this forum and put with Argon.\\


Actually. i do not want to troll on this issue. But i am going to repost this in a new forum on mechanics.
please forgive me I just want some feed back from other Argon owners in case someone else has had similar problem

Last edited by worldtraveller; 07-30-11 at 12:45 AM. Reason: problem not solved
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Old 07-30-11, 02:36 AM   #5
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You really need to post more info if you want help. Is this your bike ? http://www.argon18bike.com/velos/route/radon-en-ca.html

If not, what model do you have?
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Old 07-30-11, 07:41 AM   #6
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Quote:
Originally Posted by worldtraveller View Post
please forgive me I just want some feed back from other Argon owners in case someone else has had similar problem
That the bike is an Argon is irrelevant. We need to know what model of crankset you have in order to assist you in figuring out what might be assembled improperly or what, if any, adjustments are possible. That you continue to refuse to give up this information is baffling.
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Old 07-30-11, 12:19 PM   #7
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Crank and crankset is Truvativ
GXP
elita. pics to follow shortly

it is something like this one

http://www.sram.com/truvativ/product...r-oct-crankset

mine is 4 years older

Last edited by worldtraveller; 07-30-11 at 12:30 PM.
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Old 07-30-11, 12:38 PM   #8
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photos of crankset

Here are the photos of my road bike and the crank parts
Attached Images
File Type: jpg IMG_6517.jpg (92.0 KB, 61 views)
File Type: jpg IMG_6518.jpg (95.1 KB, 58 views)
File Type: jpg IMG_6521.jpg (91.4 KB, 55 views)
File Type: jpg IMG_6515.jpg (102.4 KB, 62 views)
File Type: jpg IMG_6520.jpg (92.3 KB, 61 views)
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Old 07-30-11, 12:57 PM   #9
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Are both cranks arms wobbly ? If you wiggle the right crank, does the left one also move (suggesting it's the bottom bracket), or does just one arm move, while the other is tight (suggesting it's the left or right crank)
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Old 07-30-11, 02:02 PM   #10
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According to SRAM, the solution is to remove the crank set, regrease at all appropriate locations and re-torque to spec: http://www.sram.com/sites/default/fi...ranksets_3.pdf
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Old 07-30-11, 02:45 PM   #11
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Only the crankset ( right ) wobbles.
Its only the arm on right that wobbles.
left side is secure as it a stone statue and the bottom bracket is very solid.
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Old 07-30-11, 02:49 PM   #12
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Yes mine if the GXP. I have done a degrease. I have taken it all out and grease the whole thing, But still wobbles , just at the Crankset part. I cleaned it 100% and then relube the whole assembly, put it all back and still wobbles.
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Old 07-30-11, 05:28 PM   #13
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Quote:
Originally Posted by worldtraveller View Post
Yes mine if the GXP. I have done a degrease. I have taken it all out and grease the whole thing, But still wobbles , just at the Crankset part. I cleaned it 100% and then relube the whole assembly, put it all back and still wobbles.
Did you read the link posted by joejack above? It says regarding wobling for the GXP and GXP Pressfit:
Quote:
Check the assembly for play by rocking the crank arms back and
forth away from frame. If the crank moves, tighten crank arm bolt until no play
is detected. If maximum torque of

54 Nm (478 in-lb) has been achieved, remove the crank arm from the spindle,
apply additional grease and repeat installation procedures until play is
eliminated.
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Old 10-09-11, 11:10 AM   #14
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Hello all can anyone help me on this one still. Still have a major wobbly crankset. No way to tighten it. anyone offer advice.
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Old 10-09-11, 11:33 AM   #15
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Did you torque the bottom bracket cups and crankset bolts to spec? If that doesn't work, replace the bottom bracket cups. That's the only part that could wear and cause the wobble (assuming it hasn't been there since the bike was new). While you have it apart, make sure the integrated axle hasn't somehow come loose either. I highly doubt that could happen but you never know.
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Old 10-09-11, 02:47 PM   #16
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The bottom bracket cups are secure. The crankset part is like still wobbling. It is like there is nothing to secure it. I have to like have the crankset as close to the bottom bracket as possible, but does not happy that the middle part is loose, but nothing there to secure it. There is no bolt or anything to secure. I tried to hammer it in. does not work. so I'm stumped
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Old 10-09-11, 03:32 PM   #17
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The bolt on the left crank arm tightens everything down. Tighten it to spec as has been suggested. The cranks will butt up against the BB cups, that's normal, and really the only way for everything to be securely tight.
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Old 10-09-11, 03:37 PM   #18
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Try like a bigger hammer.....
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Old 10-09-11, 04:32 PM   #19
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I've got that same crankset on multiple bikes, it works great. I have taken them on and off several times (moved them from bike to bike, etc.) I would suggest you head to a bike shop at this point.
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Old 10-09-11, 04:47 PM   #20
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For me to loosen the brackets. what way do i turn the bolt to loosen it.
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Old 10-09-11, 05:18 PM   #21
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For me to loosen the brackets. what way do i turn the bolt to loosen it.
Do they have bike shops in Ontario?

From the photos it looks like some chainring bolts are missing. Take the bike to a shop and get them replaced.
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Old 10-09-11, 05:34 PM   #22
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From the photos it looks like some chainring bolts are missing.
I don't think so. Those Elita cranks use paired hex bolts and are hollow in the middle.
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Old 10-09-11, 08:58 PM   #23
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Yes the cranks are hollow in the middle.
I found my bracket tool i need but its been a long time since i last worked on them,
from the left side.
What way do i turn the large round bolt or bottom bracket part to loosen.
That is all i want to know.

How come these cranks have to be so complicated?
does it make them better then the rest?
tell me
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Old 10-10-11, 07:51 AM   #24
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Still waiting for an answer on this simple question. please, be nice and tell me what way to turn it
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Old 10-10-11, 08:21 AM   #25
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Still waiting for an answer on this simple question. please, be nice and tell me what way to turn it
Righty-tighty, lefty-loosey. Should work on your crankset.

I'm not convinced that you haven't got some bearing wear if it's only one side that wobbles. Also, is your BB held together with electrical tape?
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